Western Medica Mixed Gas Regulator, 0-100 PSI, Large Cylinder Western Medica Mixed Gas Regulator, 0-100 PSI, Large Cylinder, Inlet = CGA280 Nut/Nipple, Outlet = Unassigned O2-He<80%, O2 CO2<7.0% Part Number: M1-280-PG Product Price $373.00 Quantity: